如果按照会计记录中所列示的各项费用,逐一按费用性质进行确认,直接判定a和b并建立成本性态分析模型,这种方法是()。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧